Polishing pad



FIG. 1 is a perspective view of my design for a polishing pad;

FIG. 2 is a top plan view of my design shown in FIG. 1;

FIG. 3 is a bottom plan view of my design shown in FIG. 1;

FIG. 4 is a front view of my design shown in FIG. 1;

FIG. 5 is a back view of my design shown in FIG. 1;

FIG. 6 is a left side view of my design shown in FIG. 1; and,

FIG. 7 is a right side view of my design shown in FIG. 1.

The broken line showing of environmental structure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a polishing pad, as shown and described. 